Home / 97,185.65-134,120.28-54,165.16

Finding the Fourth Proportional to 97,185.65, 134,120.28 and 54,165.16

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Solution

The fourth proportional to 97,185.65, 134,120.28 and 54,165.16 is: 74,750.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,185.65 : 134,120.28 = 54,165.16 : x
  2. Step 2: Convert to fraction form
    97,185.65/134,120.28 = 54,165.16/x
  3. Step 3: Cross multiply
    97,185.65x = 134,120.28 × 54,165.16
  4. Step 4: Simplify right side
    97,185.65x = 7,264,646,425.44
  5. Step 5: Solve for x
    x = 7,264,646,425.44/97,185.65
  6. Step 6: Final answer
    x = 74,750.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.